CN220137951U - Conductive foam and electronic equipment - Google Patents
Conductive foam and electronic equipment Download PDFInfo
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- CN220137951U CN220137951U CN202320501662.1U CN202320501662U CN220137951U CN 220137951 U CN220137951 U CN 220137951U CN 202320501662 U CN202320501662 U CN 202320501662U CN 220137951 U CN220137951 U CN 220137951U
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- conductive
- adhesive layer
- conductive adhesive
- foam
- middle frame
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- 239000006260 foam Substances 0.000 title claims abstract description 78
- 239000012790 adhesive layer Substances 0.000 claims abstract description 104
- 239000002184 metal Substances 0.000 claims abstract description 60
- 239000010410 layer Substances 0.000 claims abstract description 45
- 239000004744 fabric Substances 0.000 claims description 27
- 230000005611 electricity Effects 0.000 abstract description 11
- 230000003068 static effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 6
- 241000519995 Stachys sylvatica Species 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The present disclosure relates to a conductive foam and an electronic device, the conductive foam includes: a conductive sponge layer having opposite first and second surfaces; the first surface is contacted with the display module; the first conductive adhesive layer is connected with the second surface and is used for fixing the conductive sponge layer on the metal middle frame; the first conductive adhesive layer covers a part of the area of the second surface. Because the first conductive adhesive layer covers the partial area of the second surface, the contact area between the first conductive adhesive layer and the metal middle frame can be reduced, and the contact area between the conductive foam and the metal middle frame can be increased. The conductivity of the conductive foam is higher than that of the first conductive adhesive layer, so that the conductivity of the conductive foam is improved, the performance of electric connection between the display module and the metal middle frame is improved, the situations of static electricity, radiation impurity dissipation, radio frequency interference and the like in the display module are reduced, the abnormal display situations of blue spots or white spots and the like of the display module are reduced, and the display effect and the service life of the display screen are improved.
Description
Technical Field
The disclosure relates to the field of electronic equipment, in particular to conductive foam and electronic equipment.
Background
With the popularization of electronic devices, electronic devices with corresponding functions are used in more and more application scenes. Some electronic devices have a display function, and the electronic devices have a display through which corresponding content can be displayed. In general, the display is connected to metal as a grounding mode, so as to reduce problems such as radiation, radio frequency interference, static electricity, etc. Common ways include sampling the form of the conductive spring or grounding through the conductive foam, and when the manufacturing process of the electronic device is different, the structure or position of the conductive foam or the conductive spring is different.
Disclosure of Invention
The present disclosure provides a conductive foam and an electronic device.
In a first aspect of embodiments of the present disclosure, there is provided a conductive foam comprising: a conductive sponge layer having opposite first and second surfaces; the first surface is in contact with the display module; the first conductive adhesive layer is connected with the second surface and is used for fixing the conductive sponge layer on the metal middle frame; wherein the first conductive adhesive layer covers a partial area of the second surface.
In one embodiment, the first conductive adhesive layer includes at least: a first portion secured to a partial region of the second surface.
In one embodiment, the first conductive adhesive layer further includes: and a second portion, wherein the first portion is located in an area of the second surface proximate to a first edge, the second portion is located in an area of the second surface proximate to a second edge, and the first edge and the second edge are opposite edges.
In one embodiment, further comprising: the second conductive adhesive layer is connected with the second surface; the conductive cloth layer is positioned between the first conductive adhesive layer and the second conductive adhesive layer; the first conductive adhesive layer covers a part of the area of a third surface in the conductive cloth layer, and the third surface is a surface where the conductive cloth layer is connected with the first conductive adhesive layer.
In one embodiment, the first conductive adhesive layer includes at least: and a first portion fixed to a partial region of the third surface.
In one embodiment, the first conductive adhesive layer further includes: a second portion, wherein the first portion is located in an area of the third surface proximate to a third edge, the second portion is located in an area of the third surface proximate to a fourth edge, the third edge and the fourth edge are opposite edges.
In a second aspect of embodiments of the present disclosure, there is provided an electronic device, including: the conductive foam of any of the above embodiments; the metal middle frame is provided with a groove, a first conductive adhesive layer in the conductive foam is positioned in the groove, and the inner outline of the groove is matched with the outer outline of the first conductive adhesive layer; and the display module is attached to the surface of the conductive foam, which is opposite to the metal middle frame.
In one embodiment, the electronic device further comprises: the frame is positioned on the middle frame; the groove is positioned in the middle frame and is close to the area of the frame.
In one embodiment, the bottom of the groove has a protrusion or depression.
In one embodiment, the display module has: and the conductive foam is attached to the area outside the operability area in the display module.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
the conductive foam in the embodiment comprises a conductive sponge layer and a first conductive adhesive layer, wherein the conductive sponge layer is provided with a first surface and a second surface which are opposite, the first surface is in contact with the display module, and the first conductive adhesive layer is connected with the second surface and is used for fixing the conductive sponge layer on the metal middle frame; the first conductive adhesive layer covers a part of the area of the second surface.
Because the first conductive adhesive layer covers the partial area of the second surface, the contact area between the first conductive adhesive layer and the metal middle frame can be reduced, and the contact area between the conductive foam and the metal middle frame can be increased. The conductivity of the conductive foam is higher than that of the first conductive adhesive layer, so that the conductivity of the conductive foam is improved, the performance of electric connection between the display module and the metal middle frame is improved, the situations of static electricity, radiation impurity dissipation, radio frequency interference and the like in the display module are reduced, the abnormal display situations of blue spots or white spots and the like of the display module are reduced, and the display effect and the service life of the display screen are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a schematic diagram of an electronic device shown in accordance with an exemplary embodiment;
FIG. 2 is a schematic diagram of another electronic device shown in accordance with an exemplary embodiment;
FIG. 3 is another schematic diagram based on the electronic device shown in FIG. 2, shown in accordance with an exemplary embodiment;
FIG. 4 is a schematic cross-sectional view of a conductive foam according to an exemplary embodiment;
FIG. 5 is a schematic view of another foam shown according to an exemplary embodiment;
FIG. 6 is a schematic view of another foam shown according to an exemplary embodiment;
FIG. 7 is a schematic illustration of another foam shown according to an exemplary embodiment;
FIG. 8 is a schematic cross-sectional view of an electronic device, according to an example embodiment;
FIG. 9 is another schematic diagram of an electronic device shown in accordance with an exemplary embodiment;
fig. 10 is an illustration showing conductive foam in a metal center according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with aspects of the utility model as detailed in the accompanying claims.
Referring to fig. 1, a schematic diagram of an electronic device includes a display module a, a conductive foam B, a metal middle frame C, and a frame D. The display module A needs to be electrically connected with the metal middle frame C, and the metal middle frame C is used as a ground wire to realize the grounding of the display module A. The frame D is a non-metallic frame and has no conductivity.
The conductive foam B is in contact with the metal center C in the Area A1 except for the operability Area ((Active Area, AA) in the display module a. A1 and AA are distinguished by the dotted line in fig. 1.
The metal middle frame C shown in fig. 1 is a metal middle frame formed by casting. To save costs, the metal center is formed using a stamped form, which is less costly than a cast form. As shown in fig. 2, which is a schematic diagram of another electronic device, the metal middle frame of the electronic device shown in fig. 2 is formed by stamping. Due to process limitations, the contact area between the conductive foam B and the metal center C is reduced relative to the contact area shown in fig. 1, and a portion of the conductive foam contacts the metal center C and a portion contacts the frame D, thereby reducing the conductivity of the conductive foam B.
Fig. 3 is another schematic diagram of the electronic device shown in fig. 2. On the basis of the contact state of the conductive foam B and the metal middle frame C shown in fig. 2, the conductive foam B is moved to an AA area, the contact area of the conductive foam B and the metal middle frame C is increased, the conductive foam B is overlapped and attached to the AA area, the display module A is affected, and the display module A is abnormal in display, blue spots or white spots and the like are generated.
In addition, the length of the foam is increased on the basis of fig. 2, so that the cost is increased, and the problems such as Radiation Scattering (RSE) and the like are not obviously improved.
Referring to fig. 4, for a schematic cross-sectional view of a conductive foam provided in this embodiment, the conductive foam includes:
a conductive sponge layer 1 having opposite first and second surfaces 101 and 102; the first surface 101 is in contact with a display module (not shown);
a first conductive adhesive layer 2 connected to the second surface 102 for fixing the conductive sponge layer 1 on a metal middle frame (not shown in the figure); wherein the first conductive adhesive layer 2 covers a partial area of the second surface 102.
The thickness, size, etc. of the conductive sponge layer 1 and the first conductive adhesive layer 2 may be determined according to actual use requirements. For example, the thickness of the conductive sponge layer 1 may be in millimeters or centimeters, the thickness of the first conductive adhesive layer 2 may be in millimeters or micrometers, and the like.
The position of the first conductive adhesive layer 2 covering the conductive sponge layer 1 may be determined according to practical use requirements, for example, in the middle area of the conductive sponge layer 1.
The conductive sponge layer 1 has conductivity, and the first conductive adhesive layer 2 has adhesiveness, can fix the conductive sponge layer 1 on the metal middle frame, and first conductive adhesive layer 2 also has conductivity simultaneously, and the conductivity of conductive sponge layer 1 is higher than the conductivity of first conductive adhesive layer 2. After the conductive sponge layer 1 is fixed on the metal middle frame through the first conductive adhesive layer 2, the display module is communicated with the metal middle frame through the conductive sponge layer 1 and the first conductive adhesive layer 2 to form a current path, static electricity generated in the display module can be conducted to the metal middle frame through the conductive sponge layer 1 and the first conductive adhesive layer 2, so that static electricity generated by the display module is reduced, and the situations of radio frequency interference, radiation, impurity dissipation and the like can be also realized.
Because the conductivity of the conductive foam is higher than that of the first conductive adhesive layer, the first conductive adhesive layer covers part of the area of the second surface, so that the contact area between the first conductive adhesive layer and the metal middle frame can be reduced, and the contact area between the conductive foam and the metal middle frame can be increased. After the contact area between the conductive foam and the metal middle frame is increased, the conductivity of the conductive foam is improved, and the greater the contact area between the conductive foam and the metal middle frame is, the higher the efficiency of electrostatic conduction in the display module is, so that the performance of electric connection between the display module and the metal middle frame is improved, the conditions of static electricity, radiation scattering, radio frequency interference and the like in the display module are reduced, the abnormal display conditions such as blue spots or white spots and the like of the display module are reduced, and the display effect and the service life of the display screen are improved.
In addition, the conductive foam in this embodiment may not contact with the AA area in the display screen, for example, the conductive foam may be modified in this embodiment based on the structure shown in fig. 2, and the conductive foam in this embodiment may be applied to improve the conductivity of the foam, so that the problem shown in fig. 3 does not occur.
The area of the first conductive adhesive layer is smaller, so that the cost can be reduced.
In one embodiment, referring to fig. 4, which is a schematic view of another foam, the first conductive adhesive layer 2 at least includes:
a first portion 201, the first portion 201 being fixed to a partial region of the second surface 102, the first portion 201 covering a partial region of the second surface 102.
The location of the first portion 201 on the second surface 102, the size and thickness of the first portion 201, etc. may be determined according to practical use requirements, and the conductive sponge 1 may be fixed on the metal middle frame.
The area of the first conductive adhesive layer 2 covering the second surface 102 can be reduced through the first portion 201, so that the contact area between the first conductive adhesive layer 2 and the metal middle frame is reduced, and the contact area between the conductive sponge 1 and the metal middle frame is increased. Because the conductivity of the conductive sponge 1 is higher than that of the first conductive adhesive layer 2, the capability of the conductive foam for conducting static electricity generated in the display module can be improved, so that the influence of the static electricity on the display module is reduced, and the display effect and the service life of the display module are improved.
In another embodiment, referring to fig. 4, the first conductive adhesive layer 2 further includes:
a second portion 202, wherein the first portion 201 is located in the second surface 102 proximate to the first edge 1021 and the second portion 202 is located in the second surface 102 proximate to the second edge 1022, the first edge 1021 and the second edge 1022 being opposite edges.
In this embodiment, the first conductive adhesive layer 2 includes a first portion 201 and a second portion 202, and the first portion 201 and the second portion 202 are respectively located near two opposite edges of the second surface 102, so that the conductive sponge 1 can be fixed at two positions of the conductive sponge 1 by the first portion 201 and the second portion 202, thereby improving the stability and firmness of the fixing of the conductive sponge 1 by the first conductive adhesive layer 2.
In one embodiment, the conductive sponge 1 is a cuboid.
In one embodiment, the conductive sponge 1 is a cylinder, and the first conductive adhesive layer 2 is located in the center area of the bottom surface of the conductive sponge 1. And in a state that the conductive foam is assembled in the electronic equipment, the bottom surface is attached to the metal middle frame of the electronic equipment.
In one embodiment, the conductive sponge 1 is a cylinder, the first conductive adhesive layer 2 is a ring, and the width of the ring is smaller than the radius of the bottom surface of the cylinder. Therefore, the contact area between the first conductive adhesive layer 2 and the metal middle frame and the contact area between the first conductive adhesive layer 2 and the conductive sponge 1 can be reduced while the conductive sponge 1 is fixed on the metal middle frame through the first conductive adhesive layer 2, so that the contact area between the metal middle frame and the conductive sponge 1 is increased. The conductivity of the conductive sponge 1 is higher than that of the first conductive adhesive layer, so that the conductivity of the conductive foam is improved.
In one embodiment, referring to fig. 5, there is shown a schematic view of another foam, the foam further comprising:
a second conductive adhesive layer 3 connected to the second surface 102;
the conductive cloth layer 4, the conductive cloth layer 4 is located between the first conductive adhesive layer 2 and the second conductive adhesive layer 3. The first conductive adhesive layer 2 covers a part of the area of the third surface 401 in the conductive cloth layer 4, and the third surface 401 is the surface where the conductive cloth layer 4 is connected with the first conductive adhesive layer 2.
The conductive foam in this embodiment comprises two conductive adhesive layers, a second conductive adhesive layer 3 is located between the conductive sponge 1 and the conductive cloth 4, and the conductive cloth layer 4 is located between the second conductive adhesive layer 3 and the first conductive adhesive layer 2. The second conductive adhesive layer 3 is used for adhering the conductive cloth layer 4 to the conductive sponge 1, and because the conductive cloth layer 4 is harder, the conductive sponge 1 is softer and does not have tensile property, the conductive cloth layer 4 can play a role in supporting the conductive sponge 1 and protecting the conductive sponge 1, and the situations such as tearing and separating the conductive sponge 1 are reduced.
The first conductive adhesive layer 2 is used for fixing the conductive cloth layer 4 on the metal middle frame, so that the conductive foam is fixed on the metal middle frame.
In one embodiment, referring to fig. 6, which is a schematic diagram of another conductive foam, the first conductive adhesive layer 2 at least includes:
the first portion 201, the first portion 201 being fixed to a partial region of the third surface 401.
The position of the first portion 201 on the third surface 401, the size and thickness of the first portion 201, etc. may be determined according to actual use requirements, and the conductive sponge 1 may be fixed on the metal middle frame.
The area of the first conductive adhesive layer 2 covering the third surface 401 can be reduced by the first portion 201, so that the contact area between the first conductive adhesive layer 2 and the metal middle frame is reduced, and the contact area between the conductive cloth layer 4 and the metal middle frame is increased. Because the conductivity of the conductive cloth layer 4 is higher than that of the first conductive adhesive layer 2, the capability of conducting static electricity generated in the display module by the conductive foam can be improved, so that the influence of the static electricity on the display module is reduced, and the display effect and the service life of the display module are improved.
In one embodiment, referring to fig. 7, which is a schematic diagram of another conductive foam, the first conductive adhesive layer further includes:
a second portion 202, wherein the first portion 201 is located in the third surface 401 in a region proximate to the third edge 4011, and the second portion 202 is located in the third surface 401 in a region proximate to the fourth edge 4012, the third edge 4011 and the fourth edge 4012 being opposite edges.
In this embodiment, the first conductive adhesive layer 2 includes a first portion 201 and a second portion 202, where the first portion 201 and the second portion 202 are located near opposite edges of the third surface 401, respectively, so that the conductive adhesive layer 4 may be fixed at two positions of the conductive adhesive layer 4 by the first portion 201 and the second portion 202, thereby improving the stability and firmness of the fixing of the first conductive adhesive layer 2 to the conductive sponge 1.
In one embodiment, the conductive sponge 1 is a cuboid.
In one embodiment, the conductive sponge 1 is a cylinder, and the first conductive adhesive layer 2 is located in the center area of the bottom surface of the conductive sponge 1. And in a state that the conductive foam is assembled in the electronic equipment, the bottom surface is attached to the metal middle frame of the electronic equipment.
In one embodiment, the conductive sponge 1 and the conductive cloth layer 4 are both cylinders, the first conductive adhesive layer 2 is in a ring shape, and the width of the ring is smaller than the radius of the bottom surface of the conductive cloth layer 4. Therefore, the contact area between the first conductive adhesive layer 2 and the metal middle frame and the contact area between the first conductive adhesive layer 2 and the conductive adhesive layer 4 can be reduced while the conductive adhesive layer 4 is fixed on the metal middle frame through the first conductive adhesive layer 2, so that the contact area between the metal middle frame and the conductive adhesive layer 4 is increased. The conductivity of the conductive cloth layer 4 is higher than that of the first conductive adhesive layer, so that the conductivity of the conductive foam is improved.
In one embodiment, referring to fig. 8, a schematic cross-sectional view of an electronic device, comprising:
the conductive foam of any of the embodiments above;
the metal middle frame 5 is provided with a groove 501, a first conductive adhesive layer 2 in the conductive foam is positioned in the groove 501, and the inner outline of the groove 501 is matched with the outer outline of the first conductive adhesive layer 2;
and the display module (not shown) is attached to the surface of the conductive foam, which is opposite to the metal middle frame.
The conductive foam is positioned between the display module and the metal middle frame 5 and respectively attached to the display module and the metal middle frame, and can conduct static electricity generated in the display module to the metal middle frame.
The thickness of the first conductive adhesive layer is the same as the depth of the groove 501.
The first conductive adhesive layer 2 is located in the groove 501 in the metal middle frame 5, so that gaps between the conductive sponge 1 or the conductive cloth 4 and the metal middle frame 5 caused by the protrusion of the first conductive adhesive layer 2 can be reduced, poor lamination is caused, the lamination degree of the conductive sponge 1 or the conductive cloth 4 and the metal middle frame 5 is improved, and the contact area is increased. In addition, the firmness between the conductive foam and the metal middle frame can be improved, and the conductive foam is fixed.
The area of the first conductive adhesive layer is smaller, so that the cost can be reduced.
The conductive foam shown in fig. 8 includes a conductive cloth 4, a first conductive adhesive layer 2 and a second conductive adhesive layer 3, and the conductive foam with a layer of conductive adhesive layer 2 and without a conductive cloth layer 4 and a metal middle frame are obtained after the conductive cloth layer 4 is removed and the second conductive adhesive layer 3 between the conductive cloth layer 4 and the conductive sponge 1 is removed.
In one embodiment, referring to fig. 9, which is another schematic diagram of an electronic device, the electronic device further includes:
the frame 6 is positioned on the middle frame 5; the frame 6 may be a plastic or plastic frame or other non-metallic frame.
The recess 501 is located in the middle frame 5 near the rim 6.
In one embodiment, the groove bottom of the groove is provided with a protrusion or a depression, so that friction force can be increased.
In one embodiment, a display module has:
and the operable area is attached to the area outside the operable area in the display module, so that the influence on the display effect of the display module is reduced, and the occurrence of blue spots, white spots and other conditions is reduced.
Fig. 10 is a schematic view of conductive foam in a metal middle frame.
In another embodiment, there is also provided an electronic device including:
the interface positioning structure of any of the above embodiments.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (10)
1. A conductive foam, comprising:
a conductive sponge layer having opposite first and second surfaces; the first surface is in contact with the display module;
the first conductive adhesive layer is connected with the second surface and is used for fixing the conductive sponge layer on the metal middle frame; wherein the first conductive adhesive layer covers a partial area of the second surface.
2. The conductive foam of claim 1, wherein the first conductive adhesive layer comprises at least:
a first portion secured to a partial region of the second surface.
3. The conductive foam of claim 2, wherein the first conductive adhesive layer further comprises:
and a second portion, wherein the first portion is located in an area of the second surface proximate to a first edge, the second portion is located in an area of the second surface proximate to a second edge, and the first edge and the second edge are opposite edges.
4. The conductive foam of claim 1, further comprising:
the second conductive adhesive layer is connected with the second surface;
the conductive cloth layer is positioned between the first conductive adhesive layer and the second conductive adhesive layer; the first conductive adhesive layer covers a part of the area of a third surface in the conductive cloth layer, and the third surface is a surface where the conductive cloth layer is connected with the first conductive adhesive layer.
5. The conductive foam of claim 4, wherein the first conductive adhesive layer comprises at least:
and a first portion fixed to a partial region of the third surface.
6. The conductive foam of claim 5, wherein the first conductive adhesive layer further comprises:
a second portion, wherein the first portion is located in an area of the third surface proximate to a third edge, the second portion is located in an area of the third surface proximate to a fourth edge, the third edge and the fourth edge are opposite edges.
7. An electronic device, comprising:
the conductive foam of any one of claims 1 to 6;
the metal middle frame is provided with a groove, a first conductive adhesive layer in the conductive foam is positioned in the groove, and the inner outline of the groove is matched with the outer outline of the first conductive adhesive layer;
and the display module is attached to the surface of the conductive foam, which is opposite to the metal middle frame.
8. The electronic device of claim 7, wherein the electronic device further comprises:
the frame is positioned on the middle frame;
the groove is positioned in the middle frame and is close to the area of the frame.
9. The electronic device of claim 7, wherein a floor of the recess has a protrusion or a depression.
10. The electronic device according to claim 7, wherein the display module has:
and the conductive foam is attached to the area outside the operable area in the display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501662.1U CN220137951U (en) | 2023-03-14 | 2023-03-14 | Conductive foam and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501662.1U CN220137951U (en) | 2023-03-14 | 2023-03-14 | Conductive foam and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137951U true CN220137951U (en) | 2023-12-05 |
Family
ID=88961654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320501662.1U Active CN220137951U (en) | 2023-03-14 | 2023-03-14 | Conductive foam and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137951U (en) |
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2023
- 2023-03-14 CN CN202320501662.1U patent/CN220137951U/en active Active
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